AddOn 

J9P81AA-AM AddOn 4GB DDR4 SDRAM Memory Module

Mfg Part Number:  J9P81AA-AM  
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Price: $93.72 + Free Shipping
Quantity:
In Stock: 11
Last Updated: Dec 26, 2025
No Sales Tax except these states
, PO and Wire.
HP J9P81AA Compatible Factory Original 4GB DDR4-2133MHz Registered ECC Single Rank x8 1.2V 288-pin RDIMM
Main Specification
General Information
Manufacturer AddOn
Manufacturer Part Number J9P81AA-AM
Manufacturer Website Address http://www.addoncomputer.com
Brand Name AddOn
Product Name 4 GB DDR4 SDRAM Memory Module
Product Type RAM Module
Technical Information
Memory Size 4 GB
Memory Technology DDR4 SDRAM
Memory Voltage 1.20 V
Number of Modules 1 x 4GB
Memory Speed 2133 MHz
Memory Standard DDR4-2133/PC4-17000
Memory Rank Single-rank
Error Checking ECC
Signal Processing Registered
CAS Latency CL15
Device Supported Workstation
Physical Characteristics
Number of Pins 288-pin
Form Factor RDIMM
Thickness 300 mil
Width 1.5"
Length 5.5"
Weight (Approximate) 8 oz
Miscellaneous
Compatibility HP/Compaq Workstations:
  • Z440
  • Z640
  • Z840
  • Country of Origin China
    TAA Compliant No
    Warranty
    Limited Warranty Lifetime
    WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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